82203cdb6c
svn path=/trunk/; revision=19873
2826 lines
93 KiB
C
2826 lines
93 KiB
C
/* Routines for UMTS FP disassembly
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*
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* Martin Mathieson
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <epan/packet.h>
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#include <epan/expert.h>
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#include "packet-umts_fp.h"
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/* TODO:
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- remaining message types
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- verify header & payload CRCs
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- look for (and report as expert info) spare extension bytes
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*/
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/* Initialize the protocol and registered fields. */
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int proto_fp = -1;
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static int hf_fp_channel_type = -1;
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static int hf_fp_direction = -1;
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static int hf_fp_header_crc = -1;
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static int hf_fp_ft = -1;
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static int hf_fp_cfn = -1;
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static int hf_fp_pch_cfn = -1;
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static int hf_fp_pch_toa = -1;
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static int hf_fp_cfn_control = -1;
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static int hf_fp_toa = -1;
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static int hf_fp_tfi = -1;
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static int hf_fp_usch_tfi = -1;
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static int hf_fp_cpch_tfi = -1;
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static int hf_fp_propagation_delay = -1;
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static int hf_fp_tb = -1;
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static int hf_fp_received_sync_ul_timing_deviation = -1;
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static int hf_fp_pch_pi = -1;
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static int hf_fp_pch_tfi = -1;
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static int hf_fp_fach_tfi = -1;
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static int hf_fp_transmit_power_level = -1;
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static int hf_fp_paging_indication_bitmap = -1;
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static int hf_fp_pdsch_set_id = -1;
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static int hf_fp_rx_timing_deviation = -1;
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static int hf_fp_dch_control_frame_type = -1;
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static int hf_fp_dch_rx_timing_deviation = -1;
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static int hf_fp_quality_estimate = -1;
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static int hf_fp_payload_crc = -1;
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static int hf_fp_edch_header_crc = -1;
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static int hf_fp_edch_fsn = -1;
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static int hf_fp_edch_subframe = -1;
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static int hf_fp_edch_number_of_subframes = -1;
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static int hf_fp_edch_harq_retransmissions = -1;
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static int hf_fp_edch_subframe_number = -1;
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static int hf_fp_edch_number_of_mac_es_pdus = -1;
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static int hf_fp_edch_ddi = -1;
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static int hf_fp_edch_subframe_header = -1;
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static int hf_fp_edch_number_of_mac_d_pdus = -1;
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static int hf_fp_edch_pdu_padding = -1;
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static int hf_fp_edch_tsn = -1;
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static int hf_fp_edch_mac_es_pdu = -1;
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static int hf_fp_cmch_pi = -1;
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static int hf_fp_user_buffer_size = -1;
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static int hf_fp_hsdsch_credits = -1;
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static int hf_fp_hsdsch_max_macd_pdu_len = -1;
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static int hf_fp_hsdsch_interval = -1;
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static int hf_fp_hsdsch_calculated_rate = -1;
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static int hf_fp_hsdsch_unlimited_rate = -1;
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static int hf_fp_hsdsch_repetition_period = -1;
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static int hf_fp_hsdsch_data_padding = -1;
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static int hf_fp_hsdsch_new_ie_flags = -1;
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static int hf_fp_hsdsch_new_ie_flag[8] = {-1, -1, -1, -1, -1, -1, -1, -1};
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static int hf_fp_hsdsch_drt = -1;
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static int hf_fp_timing_advance = -1;
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static int hf_fp_num_of_pdu = -1;
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static int hf_fp_mac_d_pdu_len = -1;
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static int hf_fp_mac_d_pdu = -1;
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static int hf_fp_data = -1;
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static int hf_fp_crcis = -1;
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static int hf_fp_crci[8] = {-1, -1, -1, -1, -1, -1, -1, -1};
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static int hf_fp_common_control_frame_type = -1;
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static int hf_fp_t1 = -1;
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static int hf_fp_t2 = -1;
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static int hf_fp_t3 = -1;
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static int hf_fp_ul_sir_target = -1;
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static int hf_fp_pusch_set_id = -1;
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static int hf_fp_activation_cfn = -1;
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static int hf_fp_duration = -1;
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static int hf_fp_power_offset = -1;
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static int hf_fp_code_number = -1;
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static int hf_fp_spreading_factor = -1;
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static int hf_fp_mc_info = -1;
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static int hf_fp_rach_new_ie_flags = -1;
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static int hf_fp_rach_new_ie_flag[8] = {-1, -1, -1, -1, -1, -1, -1, -1};
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static int hf_fp_cell_portion_id = -1;
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static int hf_fp_radio_interface_parameter_update_flag[5] = {-1, -1, -1, -1, -1};
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static int hf_fp_dpc_mode = -1;
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static int hf_fp_tpc_po = -1;
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static int hf_fp_multiple_rl_set_indicator = -1;
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static int hf_fp_max_ue_tx_pow = -1;
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static int hf_fp_congestion_status = -1;
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/* Subtrees. */
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static int ett_fp = -1;
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static int ett_fp_data = -1;
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static int ett_fp_crcis = -1;
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static int ett_fp_edch_subframe_header = -1;
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static int ett_fp_edch_subframe = -1;
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static int ett_fp_hsdsch_new_ie_flags = -1;
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static int ett_fp_rach_new_ie_flags = -1;
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/* E-DCH channel header information */
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struct subframe_info
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{
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guint8 subframe_number;
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guint8 number_of_mac_es_pdus;
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guint8 ddi[64];
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guint16 number_of_mac_d_pdus[64];
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};
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static const value_string channel_type_vals[] =
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{
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{ CHANNEL_RACH_FDD, "RACH_FDD" },
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{ CHANNEL_RACH_TDD, "RACH_TDD" },
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{ CHANNEL_FACH_FDD, "FACH_FDD" },
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{ CHANNEL_FACH_TDD, "FACH_TDD" },
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{ CHANNEL_DSCH_FDD, "DSCH_FDD" },
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{ CHANNEL_DSCH_TDD, "DSCH_TDD" },
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{ CHANNEL_USCH_TDD_384, "USCH_TDD_384" },
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{ CHANNEL_USCH_TDD_128, "USCH_TDD_128" },
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{ CHANNEL_PCH, "PCH" },
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{ CHANNEL_CPCH, "CPCH" },
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{ CHANNEL_BCH, "BCH" },
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{ CHANNEL_DCH, "DCH" },
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{ CHANNEL_HSDSCH, "HSDSCH" },
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{ CHANNEL_IUR_CPCHF, "IUR CPCHF" },
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{ CHANNEL_IUR_FACH, "IUR FACH" },
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{ CHANNEL_IUR_DSCH, "IUR DSCH" },
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{ CHANNEL_EDCH, "EDCH" },
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{ CHANNEL_RACH_TDD_128, "RACH_TDD_128" },
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{ 0, NULL }
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};
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static const value_string data_control_vals[] = {
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{ 0, "Data" },
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{ 1, "Control" },
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{ 0, NULL },
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};
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static const value_string direction_vals[] = {
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{ 0, "Downlink" },
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{ 1, "Uplink" },
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{ 0, NULL },
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};
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static const value_string crci_vals[] = {
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{ 0, "Correct" },
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{ 1, "Not correct" },
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{ 0, NULL },
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};
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static const value_string paging_indication_vals[] = {
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{ 0, "no PI-bitmap in payload" },
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{ 1, "PI-bitmap in payload" },
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{ 0, NULL },
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};
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static const value_string spreading_factor_vals[] = {
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{0, "4"},
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{1, "8"},
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{2, "16"},
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{3, "32"},
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{4, "64"},
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{5, "128"},
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{6, "256"},
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{0, NULL }
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};
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static const value_string congestion_status_vals[] = {
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{0, "No TNL congestion"},
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{1, "Reserved for future use"},
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{2, "TNL congestion - detected by delay build-up"},
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{3, "TNL congestion - detected by frame loss"},
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{0, NULL }
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};
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/* DCH control types */
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#define DCH_OUTER_LOOP_POWER_CONTROL 1
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#define DCH_TIMING_ADJUSTMENT 2
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#define DCH_DL_SYNCHRONISATION 3
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#define DCH_UL_SYNCHRONISATION 4
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#define DCH_DL_NODE_SYNCHRONISATION 6
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#define DCH_UL_NODE_SYNCHRONISATION 7
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#define DCH_RX_TIMING_DEVIATION 8
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#define DCH_RADIO_INTERFACE_PARAMETER_UPDATE 9
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#define DCH_TIMING_ADVANCE 10
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#define DCH_TNL_CONGESTION_INDICATION 11
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static const value_string dch_control_frame_type_vals[] = {
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{ DCH_OUTER_LOOP_POWER_CONTROL, "OUTER LOOP POWER CONTROL" },
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{ DCH_TIMING_ADJUSTMENT, "TIMING ADJUSTMENT" },
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{ DCH_DL_SYNCHRONISATION, "DL SYNCHRONISATION" },
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{ DCH_UL_SYNCHRONISATION, "UL SYNCHRONISATION" },
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{ 5, "Reserved Value" },
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{ DCH_DL_NODE_SYNCHRONISATION, "DL NODE SYNCHRONISATION" },
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{ DCH_UL_NODE_SYNCHRONISATION, "UL NODE SYNCHRONISATION" },
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{ DCH_RX_TIMING_DEVIATION, "RX TIMING DEVIATION" },
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{ DCH_RADIO_INTERFACE_PARAMETER_UPDATE, "RADIO INTERFACE PARAMETER UPDATE" },
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{ DCH_TIMING_ADVANCE, "TIMING ADVANCE" },
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{ DCH_TNL_CONGESTION_INDICATION, "TNL CONGESTION INDICATION" },
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{ 0, NULL },
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};
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/* Common channel control types */
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#define COMMON_OUTER_LOOP_POWER_CONTROL 1
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#define COMMON_TIMING_ADJUSTMENT 2
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#define COMMON_DL_SYNCHRONISATION 3
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#define COMMON_UL_SYNCHRONISATION 4
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#define COMMON_DL_NODE_SYNCHRONISATION 6
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#define COMMON_UL_NODE_SYNCHRONISATION 7
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#define COMMON_DYNAMIC_PUSCH_ASSIGNMENT 8
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#define COMMON_TIMING_ADVANCE 9
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#define COMMON_HS_DSCH_Capacity_Request 10
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#define COMMON_HS_DSCH_Capacity_Allocation 11
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static const value_string common_control_frame_type_vals[] = {
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{ COMMON_OUTER_LOOP_POWER_CONTROL, "OUTER LOOP POWER CONTROL" },
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{ COMMON_TIMING_ADJUSTMENT, "TIMING ADJUSTMENT" },
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{ COMMON_DL_SYNCHRONISATION, "DL SYNCHRONISATION" },
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{ COMMON_UL_SYNCHRONISATION, "UL SYNCHRONISATION" },
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{ 5, "Reserved Value" },
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{ COMMON_DL_NODE_SYNCHRONISATION, "DL NODE SYNCHRONISATION" },
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{ COMMON_UL_NODE_SYNCHRONISATION, "UL NODE SYNCHRONISATION" },
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{ COMMON_DYNAMIC_PUSCH_ASSIGNMENT, "DYNAMIC PUSCH ASSIGNMENT" },
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{ COMMON_TIMING_ADVANCE, "TIMING ADVANCE" },
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{ COMMON_HS_DSCH_Capacity_Request, "HS-DSCH Capacity Request" },
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{ COMMON_HS_DSCH_Capacity_Allocation, "HS-DSCH Capacity Allocation" },
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{ 0, NULL },
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};
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/* Dissect message parts */
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static int dissect_tb_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
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int offset, struct _fp_info *p_fp_info, int *num_tbs);
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static int dissect_macd_pdu_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
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int offset, guint16 length, guint8 number_of_pdus);
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static int dissect_crci_bits(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
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int num_tbs, int offset);
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/* Dissect common control messages */
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static void dissect_common_timing_adjustment(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb,
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int offset, struct _fp_info *p_fp_info);
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static void dissect_common_dl_node_synchronisation(packet_info *pinfo, proto_tree *tree,
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tvbuff_t *tvb, int offset);
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static void dissect_common_ul_node_synchronisation(packet_info *pinfo, proto_tree *tree,
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tvbuff_t *tvb, int offset);
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static void dissect_common_dl_syncronisation(packet_info *pinfo, proto_tree *tree,
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tvbuff_t *tvb, int offset,
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struct _fp_info *p_fp_info);
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static void dissect_common_ul_syncronisation(packet_info *pinfo, proto_tree *tree,
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tvbuff_t *tvb, int offset,
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struct _fp_info *p_fp_info);
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static void dissect_common_timing_advance(packet_info *pinfo, proto_tree *tree,
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tvbuff_t *tvb, int offset);
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static void dissect_hsdpa_capacity_request(packet_info *pinfo, proto_tree *tree,
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tvbuff_t *tvb, int offset);
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static void dissect_hsdpa_capacity_allocation(packet_info *pinfo, proto_tree *tree,
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tvbuff_t *tvb, int offset);
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static void dissect_common_control(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
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int offset, struct _fp_info *p_fp_info);
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static void dissect_common_dynamic_pusch_assignment(packet_info *pinfo, proto_tree *tree,
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tvbuff_t *tvb, int offset);
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/* Dissect common channel types */
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static void dissect_rach_channel_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
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int offset, struct _fp_info *p_fp_info);
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static void dissect_fach_channel_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
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int offset, struct _fp_info *p_fp_info);
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static void dissect_dsch_channel_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
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int offset, struct _fp_info *p_fp_info);
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static void dissect_usch_channel_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
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int offset, struct _fp_info *p_fp_info);
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static void dissect_pch_channel_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
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int offset, struct _fp_info *p_fp_info);
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static void dissect_cpch_channel_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
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int offset, struct _fp_info *p_fp_info);
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static void dissect_iur_dsch_channel_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
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int offset, struct _fp_info *p_fp_info _U_);
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static void dissect_hsdsch_channel_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
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int offset, struct _fp_info *p_fp_info);
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/* Dissect DCH control messages */
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static void dissect_dch_timing_adjustment(proto_tree *tree, packet_info *pinfo,
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tvbuff_t *tvb, int offset);
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static void dissect_dch_rx_timing_deviation(proto_tree *tree, tvbuff_t *tvb, int offset);
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static void dissect_dch_dl_synchronisation(proto_tree *tree, packet_info *pinfo,
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tvbuff_t *tvb, int offset);
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static void dissect_dch_ul_synchronisation(proto_tree *tree, packet_info *pinfo,
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tvbuff_t *tvb, int offset);
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static void dissect_dch_outer_loop_power_control(proto_tree *tree, packet_info *pinfo,
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tvbuff_t *tvb, int offset);
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static void dissect_dch_dl_node_synchronisation(proto_tree *tree, packet_info *pinfo,
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tvbuff_t *tvb, int offset);
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static void dissect_dch_ul_node_synchronisation(proto_tree *tree, packet_info *pinfo,
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tvbuff_t *tvb, int offset);
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static void dissect_dch_radio_interface_parameter_update(proto_tree *tree, packet_info *pinfo,
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tvbuff_t *tvb, int offset);
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static void dissect_dch_timing_advance(proto_tree *tree, packet_info *pinfo,
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tvbuff_t *tvb, int offset);
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static void dissect_dch_tnl_congestion_indication(proto_tree *tree, packet_info *pinfo,
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tvbuff_t *tvb, int offset);
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static void dissect_dch_control_frame(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb,
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int offset);
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/* Dissect a DCH channel */
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static void dissect_dch_channel_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
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int offset, struct _fp_info *p_fp_info);
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/* Dissect dedicated channels */
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static void dissect_e_dch_channel_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
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int offset, struct _fp_info *p_fp_info);
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static void dissect_fp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
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void proto_register_fp(void);
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void proto_reg_handoff_fp(void);
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/* Dissect the TBs of a data frame */
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int dissect_tb_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
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int offset, struct _fp_info *p_fp_info, int *num_tbs)
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{
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int chan;
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int bit_offset = 0;
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guint data_bits = 0;
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proto_item *ti = NULL;
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proto_tree *data_tree = NULL;
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if (tree)
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{
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/* Add data subtree */
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ti = proto_tree_add_string_format(tree, hf_fp_data, tvb, offset, 0,
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"",
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"TB data for %u chans",
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p_fp_info->num_chans);
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data_tree = proto_item_add_subtree(ti, ett_fp_data);
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}
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/* Now for the TB data */
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for (chan=0; chan < p_fp_info->num_chans; chan++)
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{
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int n;
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for (n=0; n < p_fp_info->chan_num_tbs[chan]; n++)
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{
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proto_item *ti;
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if (data_tree)
|
|
{
|
|
ti = proto_tree_add_item(data_tree, hf_fp_tb, tvb,
|
|
offset + (bit_offset/8),
|
|
((bit_offset % 8) + p_fp_info->chan_tf_size[chan] + 7) / 8,
|
|
FALSE);
|
|
proto_item_append_text(ti, " (chan %u, tb %u, %u bits)",
|
|
chan+1, n+1, p_fp_info->chan_tf_size[chan]);
|
|
}
|
|
(*num_tbs)++;
|
|
|
|
/* Advance bit offset */
|
|
bit_offset += p_fp_info->chan_tf_size[chan];
|
|
data_bits += p_fp_info->chan_tf_size[chan];
|
|
|
|
/* Pad out to next byte */
|
|
if (bit_offset % 8)
|
|
{
|
|
bit_offset += (8 - (bit_offset % 8));
|
|
}
|
|
}
|
|
}
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "(%u bits in %u tbs)",
|
|
data_bits, *num_tbs);
|
|
}
|
|
|
|
/* Data tree should cover entire length */
|
|
if (data_tree)
|
|
{
|
|
proto_item_set_len(data_tree, bit_offset/8);
|
|
proto_item_append_text(ti, " (%u bits in %u tbs)", data_bits, *num_tbs);
|
|
}
|
|
|
|
/* Move offset past TBs (we know its already padded out to next byte) */
|
|
offset += (bit_offset / 8);
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
/* Dissect the MAC-d PDUs of an HS-DSCH frame */
|
|
int dissect_macd_pdu_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
int offset, guint16 length, guint8 number_of_pdus)
|
|
{
|
|
int pdu;
|
|
int bit_offset = 0;
|
|
proto_item *ti = NULL;
|
|
proto_tree *data_tree = NULL;
|
|
|
|
/* Add data subtree */
|
|
if (tree)
|
|
{
|
|
ti = proto_tree_add_string_format(tree, hf_fp_data, tvb, offset, 0,
|
|
"",
|
|
"%u MAC-d PDUs of %u bits",
|
|
number_of_pdus,
|
|
length);
|
|
data_tree = proto_item_add_subtree(ti, ett_fp_data);
|
|
}
|
|
|
|
/* Now for the PDUs */
|
|
for (pdu=0; pdu < number_of_pdus; pdu++)
|
|
{
|
|
proto_item *ti;
|
|
|
|
if (data_tree)
|
|
{
|
|
/* Show 4 bits padding at start of PDU */
|
|
proto_tree_add_item(data_tree, hf_fp_hsdsch_data_padding, tvb, offset+(bit_offset/8), 1, FALSE);
|
|
}
|
|
bit_offset += 4;
|
|
|
|
/* Data bytes! */
|
|
if (data_tree)
|
|
{
|
|
ti = proto_tree_add_item(data_tree, hf_fp_mac_d_pdu, tvb,
|
|
offset + (bit_offset/8),
|
|
((bit_offset % 8) + length + 7) / 8,
|
|
FALSE);
|
|
proto_item_append_text(ti, " (PDU %u)", pdu+1);
|
|
}
|
|
|
|
/* Advance bit offset */
|
|
bit_offset += length;
|
|
|
|
/* Pad out to next byte */
|
|
if (bit_offset % 8)
|
|
{
|
|
bit_offset += (8 - (bit_offset % 8));
|
|
}
|
|
}
|
|
|
|
/* Data tree should cover entire length */
|
|
proto_item_set_len(data_tree, bit_offset/8);
|
|
|
|
/* Move offset past PDUs (we know its already padded out to next byte) */
|
|
offset += (bit_offset / 8);
|
|
|
|
/* Show summary in info column */
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " %u PDUs of %u bits",
|
|
number_of_pdus, length);
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
|
|
/* Dissect CRCI bits (uplink) */
|
|
int dissect_crci_bits(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
int num_tbs, int offset)
|
|
{
|
|
int n;
|
|
proto_item *ti = NULL;
|
|
proto_tree *crcis_tree = NULL;
|
|
guint errors = 0;
|
|
|
|
/* Add CRCIs subtree */
|
|
if (tree)
|
|
{
|
|
ti = proto_tree_add_string_format(tree, hf_fp_crcis, tvb, offset, 0,
|
|
"",
|
|
"CRCI bits for %u tbs",
|
|
num_tbs);
|
|
crcis_tree = proto_item_add_subtree(ti, ett_fp_crcis);
|
|
}
|
|
|
|
/* CRCIs */
|
|
for (n=0; n < num_tbs; n++)
|
|
{
|
|
int bit = (tvb_get_guint8(tvb, offset+(n/8)) >> (7-(n%8))) & 0x01;
|
|
proto_tree_add_item(crcis_tree, hf_fp_crci[n%8], tvb, offset+(n/8),
|
|
1, FALSE);
|
|
|
|
if (bit == 1)
|
|
{
|
|
errors++;
|
|
expert_add_info_format(pinfo, ti,
|
|
PI_CHECKSUM, PI_WARN,
|
|
"CRCI error bit set for TB");
|
|
}
|
|
}
|
|
|
|
if (tree)
|
|
{
|
|
/* Highlight range of bytes covered by indicator bits */
|
|
proto_item_set_len(ti, (num_tbs+7) / 8);
|
|
|
|
/* Show error count in root text */
|
|
proto_item_append_text(ti, " (%u errors)", errors);
|
|
}
|
|
|
|
offset += ((num_tbs+7) / 8);
|
|
return offset;
|
|
}
|
|
|
|
|
|
|
|
/***********************************************************/
|
|
/* Common control message types */
|
|
|
|
void dissect_common_timing_adjustment(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb,
|
|
int offset, struct _fp_info *p_fp_info)
|
|
{
|
|
if (p_fp_info->channel != CHANNEL_PCH)
|
|
{
|
|
guint8 cfn;
|
|
gint16 toa;
|
|
|
|
/* CFN control */
|
|
cfn = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_cfn_control, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
/* ToA */
|
|
toa = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_toa, tvb, offset, 2, FALSE);
|
|
offset++;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " CFN=%u, ToA=%d", cfn, toa);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
guint16 cfn;
|
|
gint32 toa;
|
|
|
|
/* PCH CFN is 12 bits */
|
|
cfn = (tvb_get_ntohs(tvb, offset) >> 4);
|
|
proto_tree_add_item(tree, hf_fp_pch_cfn, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
|
|
/* 4 bits of padding follow... */
|
|
|
|
/* 20 bits of ToA (followed by 4 padding bits) */
|
|
toa = ((int)(tvb_get_ntoh24(tvb, offset) << 8)) / 4096;
|
|
proto_tree_add_int(tree, hf_fp_pch_toa, tvb, offset, 3, toa);
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " CFN=%u, ToA=%d", cfn, toa);
|
|
}
|
|
}
|
|
}
|
|
|
|
void dissect_common_dl_node_synchronisation(packet_info *pinfo, proto_tree *tree,
|
|
tvbuff_t *tvb, int offset)
|
|
{
|
|
/* T1 */
|
|
guint32 t1 = tvb_get_ntoh24(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_t1, tvb, offset, 3, FALSE);
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " T1=%u", t1);
|
|
}
|
|
}
|
|
|
|
void dissect_common_ul_node_synchronisation(packet_info *pinfo, proto_tree *tree,
|
|
tvbuff_t *tvb, int offset)
|
|
{
|
|
guint32 t1, t2, t3;
|
|
|
|
/* T1 */
|
|
t1 = tvb_get_ntoh24(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_t1, tvb, offset, 3, FALSE);
|
|
offset += 3;
|
|
|
|
/* T2 */
|
|
t2 = tvb_get_ntoh24(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_t2, tvb, offset, 3, FALSE);
|
|
offset += 3;
|
|
|
|
/* T3 */
|
|
t3 = tvb_get_ntoh24(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_t3, tvb, offset, 3, FALSE);
|
|
offset += 3;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " T1=%u T2=%u, T3=%u",
|
|
t1, t2, t3);
|
|
}
|
|
}
|
|
|
|
void dissect_common_dl_syncronisation(packet_info *pinfo, proto_tree *tree,
|
|
tvbuff_t *tvb, int offset, struct _fp_info *p_fp_info)
|
|
{
|
|
guint16 cfn;
|
|
|
|
if (p_fp_info->channel != CHANNEL_PCH)
|
|
{
|
|
/* CFN control */
|
|
cfn = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_cfn_control, tvb, offset, 1, FALSE);
|
|
}
|
|
else
|
|
{
|
|
/* PCH CFN is 12 bits */
|
|
cfn = (tvb_get_ntohs(tvb, offset) >> 4);
|
|
proto_tree_add_item(tree, hf_fp_pch_cfn, tvb, offset, 2, FALSE);
|
|
|
|
/* 4 bits of padding follow... */
|
|
}
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " CFN=%u", cfn);
|
|
}
|
|
}
|
|
|
|
void dissect_common_ul_syncronisation(packet_info *pinfo, proto_tree *tree,
|
|
tvbuff_t *tvb, int offset, struct _fp_info *p_fp_info)
|
|
{
|
|
dissect_common_timing_adjustment(pinfo, tree, tvb, offset, p_fp_info);
|
|
}
|
|
|
|
void dissect_common_timing_advance(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int offset)
|
|
{
|
|
guint8 cfn;
|
|
guint8 timing_advance;
|
|
|
|
/* CFN control */
|
|
cfn = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_cfn_control, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
/* Timing Advance */
|
|
timing_advance = (tvb_get_guint8(tvb, offset) & 0x3f) * 4;
|
|
proto_tree_add_uint(tree, hf_fp_timing_advance, tvb, offset, 1, timing_advance*4);
|
|
offset++;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " CFN = %u, TA = %u",
|
|
cfn, timing_advance);
|
|
}
|
|
}
|
|
|
|
void dissect_hsdpa_capacity_request(packet_info *pinfo, proto_tree *tree,
|
|
tvbuff_t *tvb, int offset)
|
|
{
|
|
guint8 priority;
|
|
guint16 user_buffer_size;
|
|
|
|
/* CmCH-PI */
|
|
priority = (tvb_get_guint8(tvb, offset) & 0x0f);
|
|
proto_tree_add_item(tree, hf_fp_cmch_pi, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
/* User buffer size */
|
|
user_buffer_size = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_user_buffer_size, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " CmCH-PI=%u User-Buffer-Size=%u",
|
|
priority, user_buffer_size);
|
|
}
|
|
|
|
/* TODO: Spare extension may follow */
|
|
}
|
|
|
|
void dissect_hsdpa_capacity_allocation(packet_info *pinfo, proto_tree *tree,
|
|
tvbuff_t *tvb, int offset)
|
|
{
|
|
proto_item *ti;
|
|
proto_item *rate_ti;
|
|
guint16 max_pdu_length;
|
|
guint8 repetition_period;
|
|
guint8 interval;
|
|
guint16 credits;
|
|
|
|
/* CmCH-PI */
|
|
proto_tree_add_item(tree, hf_fp_cmch_pi, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
/* Max MAC-d PDU length (13 bits) */
|
|
max_pdu_length = (tvb_get_ntohs(tvb, offset) >> 3);
|
|
proto_tree_add_item(tree, hf_fp_hsdsch_max_macd_pdu_len, tvb, offset, 2, FALSE);
|
|
offset++;
|
|
|
|
/* HS-DSCH credits (11 bits) */
|
|
credits = (tvb_get_ntohs(tvb, offset) & 0x07ff);
|
|
ti = proto_tree_add_item(tree, hf_fp_hsdsch_credits, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
if (credits == 0)
|
|
{
|
|
proto_item_append_text(ti, " (stop transmission)");
|
|
}
|
|
if (credits == 2047)
|
|
{
|
|
proto_item_append_text(ti, " (unlimited)");
|
|
}
|
|
|
|
/* HS-DSCH Interval */
|
|
interval = tvb_get_guint8(tvb, offset);
|
|
ti = proto_tree_add_uint(tree, hf_fp_hsdsch_interval, tvb, offset, 1, interval*10);
|
|
offset++;
|
|
if (interval == 0)
|
|
{
|
|
proto_item_append_text(ti, " (none of the credits shall be used)");
|
|
}
|
|
|
|
/* HS-DSCH Repetition period */
|
|
repetition_period = tvb_get_guint8(tvb, offset);
|
|
ti = proto_tree_add_item(tree, hf_fp_hsdsch_repetition_period, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
if (repetition_period == 0)
|
|
{
|
|
proto_item_append_text(ti, " (unlimited repetition period)");
|
|
}
|
|
|
|
/* Calculated and show effective rate enabled */
|
|
if ((credits == 2047) || (repetition_period == 0))
|
|
{
|
|
rate_ti = proto_tree_add_item(tree, hf_fp_hsdsch_unlimited_rate, tvb, 0, 0, FALSE);
|
|
}
|
|
else
|
|
{
|
|
rate_ti = proto_tree_add_uint(tree, hf_fp_hsdsch_calculated_rate, tvb, 0, 0,
|
|
credits * max_pdu_length * (1000 / (interval*10)));
|
|
}
|
|
PROTO_ITEM_SET_GENERATED(rate_ti);
|
|
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO,
|
|
" Max-PDU-len=%u Credits=%u Interval=%u Rep-Period=%u",
|
|
max_pdu_length, credits, interval, repetition_period);
|
|
}
|
|
|
|
/* TODO: Spare extension may follow */
|
|
}
|
|
|
|
|
|
void dissect_common_dynamic_pusch_assignment(packet_info *pinfo, proto_tree *tree,
|
|
tvbuff_t *tvb, int offset)
|
|
{
|
|
guint8 pusch_set_id;
|
|
guint8 activation_cfn;
|
|
guint8 duration;
|
|
|
|
/* PUSCH Set Id */
|
|
pusch_set_id = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_pusch_set_id, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
/* Activation CFN */
|
|
activation_cfn = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_activation_cfn, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
/* Duration */
|
|
duration = tvb_get_guint8(tvb, offset) * 10;
|
|
proto_tree_add_uint(tree, hf_fp_duration, tvb, offset, 1, duration);
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO,
|
|
" PUSCH Set Id=%u Activation CFN=%u Duration=%u",
|
|
pusch_set_id, activation_cfn, duration);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* Dissect the control part of a common channel message */
|
|
void dissect_common_control(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
int offset, struct _fp_info *p_fp_info)
|
|
{
|
|
/* Common control frame type */
|
|
guint8 control_frame_type = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_common_control_frame_type, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str(control_frame_type, common_control_frame_type_vals, "Unknown"));
|
|
}
|
|
|
|
/* Frame-type specific dissection */
|
|
switch (control_frame_type)
|
|
{
|
|
case COMMON_OUTER_LOOP_POWER_CONTROL:
|
|
break;
|
|
case COMMON_TIMING_ADJUSTMENT:
|
|
dissect_common_timing_adjustment(pinfo, tree, tvb, offset, p_fp_info);
|
|
break;
|
|
case COMMON_DL_SYNCHRONISATION:
|
|
dissect_common_dl_syncronisation(pinfo, tree, tvb, offset, p_fp_info);
|
|
break;
|
|
case COMMON_UL_SYNCHRONISATION:
|
|
dissect_common_ul_syncronisation(pinfo, tree, tvb, offset, p_fp_info);
|
|
break;
|
|
case COMMON_DL_NODE_SYNCHRONISATION:
|
|
dissect_common_dl_node_synchronisation(pinfo, tree, tvb, offset);
|
|
break;
|
|
case COMMON_UL_NODE_SYNCHRONISATION:
|
|
dissect_common_ul_node_synchronisation(pinfo, tree, tvb, offset);
|
|
break;
|
|
case COMMON_DYNAMIC_PUSCH_ASSIGNMENT:
|
|
dissect_common_dynamic_pusch_assignment(pinfo, tree, tvb, offset);
|
|
break;
|
|
case COMMON_TIMING_ADVANCE:
|
|
dissect_common_timing_advance(pinfo, tree, tvb, offset);
|
|
break;
|
|
case COMMON_HS_DSCH_Capacity_Request:
|
|
dissect_hsdpa_capacity_request(pinfo, tree, tvb, offset);
|
|
break;
|
|
case COMMON_HS_DSCH_Capacity_Allocation:
|
|
dissect_hsdpa_capacity_allocation(pinfo, tree, tvb, offset);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/**************************/
|
|
/* Dissect a RACH channel */
|
|
void dissect_rach_channel_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
int offset, struct _fp_info *p_fp_info)
|
|
{
|
|
gboolean is_control_frame;
|
|
|
|
/* Header CRC */
|
|
proto_tree_add_item(tree, hf_fp_header_crc, tvb, offset, 1, FALSE);
|
|
|
|
/* Frame Type */
|
|
is_control_frame = tvb_get_guint8(tvb, offset) & 0x01;
|
|
proto_tree_add_item(tree, hf_fp_ft, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_str(pinfo->cinfo, COL_INFO, is_control_frame ? " [Control] " : " [Data] ");
|
|
}
|
|
|
|
if (is_control_frame)
|
|
{
|
|
dissect_common_control(tvb, pinfo, tree, offset, p_fp_info);
|
|
}
|
|
else
|
|
{
|
|
int num_tbs = 0;
|
|
guint8 cfn;
|
|
|
|
/* DATA */
|
|
|
|
/* CFN */
|
|
cfn = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_cfn, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "CFN=%03u ", cfn);
|
|
}
|
|
|
|
/* TFI */
|
|
proto_tree_add_item(tree, hf_fp_tfi, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
if (p_fp_info->channel == CHANNEL_RACH_FDD)
|
|
{
|
|
/* Propagation delay */
|
|
proto_tree_add_uint(tree, hf_fp_propagation_delay, tvb, offset, 1,
|
|
tvb_get_guint8(tvb, offset) * 3);
|
|
offset++;
|
|
}
|
|
|
|
if (p_fp_info->channel == CHANNEL_RACH_TDD)
|
|
{
|
|
/* Rx Timing Deviation */
|
|
proto_tree_add_item(tree, hf_fp_rx_timing_deviation, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
}
|
|
|
|
if (p_fp_info->channel == CHANNEL_RACH_TDD_128)
|
|
{
|
|
/* Received SYNC UL Timing Deviation */
|
|
proto_tree_add_item(tree, hf_fp_received_sync_ul_timing_deviation, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
}
|
|
|
|
/* TB data */
|
|
offset = dissect_tb_data(tvb, pinfo, tree, offset, p_fp_info, &num_tbs);
|
|
|
|
/* CRCIs */
|
|
offset = dissect_crci_bits(tvb, pinfo, tree, num_tbs, offset);
|
|
|
|
/* Info introduced in R6 */
|
|
if (p_fp_info->release == 6)
|
|
{
|
|
int n;
|
|
guint8 flags;
|
|
guint8 flag_bytes = 0;
|
|
|
|
/* New IE flags */
|
|
do
|
|
{
|
|
proto_item *new_ie_flags_ti;
|
|
proto_tree *new_ie_flags_tree;
|
|
guint ies_found = 0;
|
|
|
|
/* Add new IE flags subtree */
|
|
new_ie_flags_ti = proto_tree_add_string_format(tree, hf_fp_rach_new_ie_flags, tvb, offset, 1,
|
|
"", "New IE flags");
|
|
new_ie_flags_tree = proto_item_add_subtree(new_ie_flags_ti, ett_fp_rach_new_ie_flags);
|
|
|
|
/* Read next byte */
|
|
flags = tvb_get_guint8(tvb, offset);
|
|
flag_bytes++;
|
|
|
|
/* Dissect individual bits */
|
|
for (n=0; n < 8; n++)
|
|
{
|
|
proto_tree_add_item(new_ie_flags_tree, hf_fp_rach_new_ie_flag[n], tvb, offset, 1, FALSE);
|
|
if ((flags >> (7-n)) & 0x01)
|
|
{
|
|
ies_found++;
|
|
}
|
|
}
|
|
offset++;
|
|
|
|
proto_item_append_text(new_ie_flags_ti, " (%u IEs found)", ies_found);
|
|
|
|
/* Last bit set will indicate another flags byte follows... */
|
|
} while (0); /*((flags & 0x01) && (flag_bytes < 31));*/
|
|
|
|
/* Cell portion ID */
|
|
proto_tree_add_item(tree, hf_fp_cell_portion_id, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
}
|
|
|
|
/* Payload CRC */
|
|
proto_tree_add_item(tree, hf_fp_payload_crc, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
}
|
|
}
|
|
|
|
|
|
/**************************/
|
|
/* Dissect a FACH channel */
|
|
void dissect_fach_channel_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
int offset, struct _fp_info *p_fp_info)
|
|
{
|
|
gboolean is_control_frame;
|
|
|
|
/* Header CRC */
|
|
proto_tree_add_item(tree, hf_fp_header_crc, tvb, offset, 1, FALSE);
|
|
|
|
/* Frame Type */
|
|
is_control_frame = tvb_get_guint8(tvb, offset) & 0x01;
|
|
proto_tree_add_item(tree, hf_fp_ft, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_str(pinfo->cinfo, COL_INFO, is_control_frame ? " [Control] " : " [Data] ");
|
|
}
|
|
|
|
if (is_control_frame)
|
|
{
|
|
dissect_common_control(tvb, pinfo, tree, offset, p_fp_info);
|
|
}
|
|
else
|
|
{
|
|
int num_tbs = 0;
|
|
guint8 cfn;
|
|
|
|
/* DATA */
|
|
|
|
/* CFN */
|
|
cfn = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_cfn, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "CFN=%03u ", cfn);
|
|
}
|
|
|
|
/* TFI */
|
|
proto_tree_add_item(tree, hf_fp_fach_tfi, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
/* Transmit power level */
|
|
proto_tree_add_float(tree, hf_fp_transmit_power_level, tvb, offset, 1,
|
|
(float)(int)(tvb_get_guint8(tvb, offset)) / 10);
|
|
offset++;
|
|
|
|
/* TB data */
|
|
offset = dissect_tb_data(tvb, pinfo, tree, offset, p_fp_info, &num_tbs);
|
|
|
|
/* Payload CRC */
|
|
proto_tree_add_item(tree, hf_fp_payload_crc, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
}
|
|
}
|
|
|
|
|
|
/**************************/
|
|
/* Dissect a DSCH channel */
|
|
void dissect_dsch_channel_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
int offset, struct _fp_info *p_fp_info)
|
|
{
|
|
gboolean is_control_frame;
|
|
|
|
/* Header CRC */
|
|
proto_tree_add_item(tree, hf_fp_header_crc, tvb, offset, 1, FALSE);
|
|
|
|
/* Frame Type */
|
|
is_control_frame = tvb_get_guint8(tvb, offset) & 0x01;
|
|
proto_tree_add_item(tree, hf_fp_ft, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_str(pinfo->cinfo, COL_INFO, is_control_frame ? " [Control] " : " [Data] ");
|
|
}
|
|
|
|
if (is_control_frame)
|
|
{
|
|
dissect_common_control(tvb, pinfo, tree, offset, p_fp_info);
|
|
}
|
|
else
|
|
{
|
|
int num_tbs = 0;
|
|
guint8 cfn;
|
|
|
|
/* DATA */
|
|
|
|
/* CFN */
|
|
cfn = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_cfn, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "CFN=%03u ", cfn);
|
|
}
|
|
|
|
/* TFI */
|
|
proto_tree_add_item(tree, hf_fp_tfi, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
|
|
/* Other fields depend upon release & FDD/TDD settings */
|
|
if (((p_fp_info->release == 99) || (p_fp_info->release == 4)) &&
|
|
(p_fp_info->channel == CHANNEL_DSCH_FDD))
|
|
{
|
|
/* Power offset */
|
|
proto_tree_add_float(tree, hf_fp_power_offset, tvb, offset, 1,
|
|
(float)(-32.0) +
|
|
((float)(int)(tvb_get_guint8(tvb, offset)) * (float)(0.25)));
|
|
offset++;
|
|
|
|
/* Code number */
|
|
proto_tree_add_item(tree, hf_fp_code_number, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
/* Spreading Factor (3 bits) */
|
|
proto_tree_add_item(tree, hf_fp_spreading_factor, tvb, offset, 1, FALSE);
|
|
|
|
/* MC info (4 bits)*/
|
|
proto_tree_add_item(tree, hf_fp_mc_info, tvb, offset, 1, FALSE);
|
|
|
|
/* Last bit of this byte is spare */
|
|
offset++;
|
|
}
|
|
else
|
|
{
|
|
/* Normal case */
|
|
|
|
/* PDSCH Set Id */
|
|
proto_tree_add_item(tree, hf_fp_pdsch_set_id, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
/* Transmit power level */
|
|
proto_tree_add_float(tree, hf_fp_transmit_power_level, tvb, offset, 1,
|
|
(float)(int)(tvb_get_guint8(tvb, offset)) / 10);
|
|
offset++;
|
|
}
|
|
|
|
/* TB data */
|
|
offset = dissect_tb_data(tvb, pinfo, tree, offset, p_fp_info, &num_tbs);
|
|
|
|
/* Payload CRC */
|
|
proto_tree_add_item(tree, hf_fp_payload_crc, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
}
|
|
}
|
|
|
|
|
|
/**************************/
|
|
/* Dissect a USCH channel */
|
|
void dissect_usch_channel_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
int offset, struct _fp_info *p_fp_info)
|
|
{
|
|
gboolean is_control_frame;
|
|
|
|
/* Header CRC */
|
|
proto_tree_add_item(tree, hf_fp_header_crc, tvb, offset, 1, FALSE);
|
|
|
|
/* Frame Type */
|
|
is_control_frame = tvb_get_guint8(tvb, offset) & 0x01;
|
|
proto_tree_add_item(tree, hf_fp_ft, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_str(pinfo->cinfo, COL_INFO, is_control_frame ? " [Control] " : " [Data] ");
|
|
}
|
|
|
|
if (is_control_frame)
|
|
{
|
|
dissect_common_control(tvb, pinfo, tree, offset, p_fp_info);
|
|
}
|
|
else
|
|
{
|
|
int num_tbs = 0;
|
|
guint cfn;
|
|
|
|
/* DATA */
|
|
|
|
/* CFN */
|
|
cfn = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_cfn, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "CFN=%03u ", cfn);
|
|
}
|
|
|
|
/* TFI */
|
|
proto_tree_add_item(tree, hf_fp_usch_tfi, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
/* Rx Timing Deviation */
|
|
proto_tree_add_item(tree, hf_fp_rx_timing_deviation, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
/* TB data */
|
|
offset = dissect_tb_data(tvb, pinfo, tree, offset, p_fp_info, &num_tbs);
|
|
|
|
/* QE */
|
|
proto_tree_add_item(tree, hf_fp_quality_estimate, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
/* CRCIs */
|
|
offset = dissect_crci_bits(tvb, pinfo, tree, num_tbs, offset);
|
|
|
|
/* Payload CRC */
|
|
proto_tree_add_item(tree, hf_fp_payload_crc, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/**************************/
|
|
/* Dissect a PCH channel */
|
|
void dissect_pch_channel_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
int offset, struct _fp_info *p_fp_info)
|
|
{
|
|
gboolean is_control_frame;
|
|
guint16 pch_cfn;
|
|
gboolean paging_indication;
|
|
|
|
/* Header CRC */
|
|
proto_tree_add_item(tree, hf_fp_header_crc, tvb, offset, 1, FALSE);
|
|
|
|
/* Frame Type */
|
|
is_control_frame = tvb_get_guint8(tvb, offset) & 0x01;
|
|
proto_tree_add_item(tree, hf_fp_ft, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_str(pinfo->cinfo, COL_INFO, is_control_frame ? " [Control] " : " [Data] ");
|
|
}
|
|
|
|
if (is_control_frame)
|
|
{
|
|
dissect_common_control(tvb, pinfo, tree, offset, p_fp_info);
|
|
}
|
|
else
|
|
{
|
|
int num_tbs = 0;
|
|
|
|
/* DATA */
|
|
|
|
/* 12-bit CFN value */
|
|
proto_tree_add_item(tree, hf_fp_pch_cfn, tvb, offset, 2, FALSE);
|
|
pch_cfn = (tvb_get_ntohs(tvb, offset) & 0xfff0) >> 4;
|
|
offset++;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "CFN=%04u ", pch_cfn);
|
|
}
|
|
|
|
/* Paging indication */
|
|
proto_tree_add_item(tree, hf_fp_pch_pi, tvb, offset, 1, FALSE);
|
|
paging_indication = tvb_get_guint8(tvb, offset) & 0x01;
|
|
offset++;
|
|
|
|
/* 5-bit TFI */
|
|
proto_tree_add_item(tree, hf_fp_pch_tfi, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
/* Optional paging indications */
|
|
if (paging_indication)
|
|
{
|
|
proto_item *ti;
|
|
ti = proto_tree_add_item(tree, hf_fp_paging_indication_bitmap, tvb,
|
|
offset,
|
|
(p_fp_info->paging_indications+7) / 8,
|
|
FALSE);
|
|
proto_item_append_text(ti, " (%u bits)", p_fp_info->paging_indications);
|
|
offset += ((p_fp_info->paging_indications+7) / 8);
|
|
}
|
|
|
|
/* TB data */
|
|
offset = dissect_tb_data(tvb, pinfo, tree, offset, p_fp_info, &num_tbs);
|
|
|
|
/* Payload CRC */
|
|
proto_tree_add_item(tree, hf_fp_payload_crc, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
}
|
|
}
|
|
|
|
|
|
/**************************/
|
|
/* Dissect a CPCH channel */
|
|
void dissect_cpch_channel_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
int offset, struct _fp_info *p_fp_info)
|
|
{
|
|
gboolean is_control_frame;
|
|
|
|
/* Header CRC */
|
|
proto_tree_add_item(tree, hf_fp_header_crc, tvb, offset, 1, FALSE);
|
|
|
|
/* Frame Type */
|
|
is_control_frame = tvb_get_guint8(tvb, offset) & 0x01;
|
|
proto_tree_add_item(tree, hf_fp_ft, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_str(pinfo->cinfo, COL_INFO, is_control_frame ? " [Control] " : " [Data] ");
|
|
}
|
|
|
|
if (is_control_frame)
|
|
{
|
|
dissect_common_control(tvb, pinfo, tree, offset, p_fp_info);
|
|
}
|
|
else
|
|
{
|
|
int num_tbs = 0;
|
|
guint cfn;
|
|
|
|
/* DATA */
|
|
|
|
/* CFN */
|
|
cfn = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_cfn, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "CFN=%03u ", cfn);
|
|
}
|
|
|
|
/* TFI */
|
|
proto_tree_add_item(tree, hf_fp_cpch_tfi, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
/* Propagation delay */
|
|
proto_tree_add_uint(tree, hf_fp_propagation_delay, tvb, offset, 1,
|
|
tvb_get_guint8(tvb, offset) * 3);
|
|
offset++;
|
|
|
|
/* TB data */
|
|
offset = dissect_tb_data(tvb, pinfo, tree, offset, p_fp_info, &num_tbs);
|
|
|
|
/* CRCIs */
|
|
offset = dissect_crci_bits(tvb, pinfo, tree, num_tbs, offset);
|
|
|
|
/* Payload CRC */
|
|
proto_tree_add_item(tree, hf_fp_payload_crc, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
}
|
|
}
|
|
|
|
/********************************/
|
|
/* Dissect an IUR DSCH channel */
|
|
void dissect_iur_dsch_channel_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
int offset, struct _fp_info *p_fp_info _U_)
|
|
{
|
|
gboolean is_control_frame;
|
|
|
|
/* Header CRC */
|
|
proto_tree_add_item(tree, hf_fp_header_crc, tvb, offset, 1, FALSE);
|
|
|
|
/* Frame Type */
|
|
is_control_frame = tvb_get_guint8(tvb, offset) & 0x01;
|
|
proto_tree_add_item(tree, hf_fp_ft, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_str(pinfo->cinfo, COL_INFO, is_control_frame ? " [Control] " : " [Data] ");
|
|
}
|
|
|
|
if (is_control_frame)
|
|
{
|
|
dissect_common_control(tvb, pinfo, tree, offset, p_fp_info);
|
|
}
|
|
else
|
|
{
|
|
/* TODO: DATA */
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
/************************/
|
|
/* DCH control messages */
|
|
|
|
void dissect_dch_timing_adjustment(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb, int offset)
|
|
{
|
|
guint8 control_cfn;
|
|
gint16 toa;
|
|
|
|
/* CFN control */
|
|
control_cfn = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_cfn_control, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
/* ToA */
|
|
toa = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_toa, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO,
|
|
" CFN = %u, ToA = %d", control_cfn, toa);
|
|
}
|
|
}
|
|
|
|
void dissect_dch_rx_timing_deviation(proto_tree *tree, tvbuff_t *tvb, int offset)
|
|
{
|
|
/* CFN control */
|
|
proto_tree_add_item(tree, hf_fp_cfn_control, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
/* Rx Timing Deviation */
|
|
proto_tree_add_item(tree, hf_fp_dch_rx_timing_deviation, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
}
|
|
|
|
void dissect_dch_dl_synchronisation(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb, int offset)
|
|
{
|
|
/* CFN control */
|
|
guint cfn = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_cfn_control, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " CFN = %u", cfn);
|
|
}
|
|
}
|
|
|
|
void dissect_dch_ul_synchronisation(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb, int offset)
|
|
{
|
|
guint8 cfn;
|
|
gint16 toa;
|
|
|
|
/* CFN control */
|
|
cfn = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_cfn_control, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
/* ToA */
|
|
toa = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_toa, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " CFN = %u, ToA = %d",
|
|
cfn, toa);
|
|
}
|
|
}
|
|
|
|
void dissect_dch_outer_loop_power_control(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb, int offset)
|
|
{
|
|
/* SIR target */
|
|
float target = -8.2 + (0.1 * (float)(int)(tvb_get_guint8(tvb, offset)));
|
|
proto_tree_add_float(tree, hf_fp_ul_sir_target, tvb, offset, 1, target);
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "SIR Target = %f", target);
|
|
}
|
|
}
|
|
|
|
void dissect_dch_dl_node_synchronisation(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb, int offset)
|
|
{
|
|
dissect_common_dl_node_synchronisation(pinfo, tree, tvb, offset);
|
|
}
|
|
|
|
void dissect_dch_ul_node_synchronisation(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb, int offset)
|
|
{
|
|
dissect_common_ul_node_synchronisation(pinfo, tree, tvb, offset);
|
|
}
|
|
|
|
void dissect_dch_radio_interface_parameter_update(proto_tree *tree, packet_info *pinfo _U_, tvbuff_t *tvb, int offset)
|
|
{
|
|
int n;
|
|
guint8 cfn;
|
|
guint8 value;
|
|
|
|
/* Show defined flags in these 2 bytes */
|
|
for (n=4; n >= 0; n--)
|
|
{
|
|
proto_tree_add_item(tree, hf_fp_radio_interface_parameter_update_flag[n], tvb, offset, 2, FALSE);
|
|
}
|
|
offset += 2;
|
|
|
|
/* CFN */
|
|
cfn = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_cfn, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
/* DPC mode */
|
|
proto_tree_add_item(tree, hf_fp_dpc_mode, tvb, offset, 1, FALSE);
|
|
|
|
/* TPC PO */
|
|
proto_tree_add_item(tree, hf_fp_tpc_po, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
/* Multiple RL sets indicator */
|
|
proto_tree_add_item(tree, hf_fp_multiple_rl_set_indicator, tvb, offset, 1, FALSE);
|
|
offset += 2;
|
|
|
|
/* MAX_UE_TX_POW */
|
|
value = (tvb_get_guint8(tvb, offset) & 0x7f);
|
|
proto_tree_add_int(tree, hf_fp_max_ue_tx_pow, tvb, offset, 1, -55 + value);
|
|
|
|
/* TODO: spare extension */
|
|
}
|
|
|
|
void dissect_dch_timing_advance(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb, int offset)
|
|
{
|
|
dissect_common_timing_advance(pinfo, tree, tvb, offset);
|
|
}
|
|
|
|
void dissect_dch_tnl_congestion_indication(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb, int offset)
|
|
{
|
|
guint8 status = (tvb_get_guint8(tvb, offset) & 0x03);
|
|
|
|
/* Congestion status */
|
|
proto_tree_add_int(tree, hf_fp_congestion_status, tvb, offset, 1, FALSE);
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " status = %s",
|
|
val_to_str(status, congestion_status_vals, "unknown"));
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
/* DCH control frame */
|
|
void dissect_dch_control_frame(proto_tree *tree, packet_info *pinfo, tvbuff_t *tvb, int offset)
|
|
{
|
|
/* Control frame type */
|
|
guint8 control_frame_type = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_dch_control_frame_type, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str(control_frame_type,
|
|
dch_control_frame_type_vals, "Unknown"));
|
|
}
|
|
|
|
switch (control_frame_type)
|
|
{
|
|
case DCH_TIMING_ADJUSTMENT:
|
|
dissect_dch_timing_adjustment(tree, pinfo, tvb, offset);
|
|
break;
|
|
case DCH_RX_TIMING_DEVIATION:
|
|
dissect_dch_rx_timing_deviation(tree, tvb, offset);
|
|
break;
|
|
case DCH_DL_SYNCHRONISATION:
|
|
dissect_dch_dl_synchronisation(tree, pinfo, tvb, offset);
|
|
break;
|
|
case DCH_UL_SYNCHRONISATION:
|
|
dissect_dch_ul_synchronisation(tree, pinfo, tvb, offset);
|
|
break;
|
|
case DCH_OUTER_LOOP_POWER_CONTROL:
|
|
dissect_dch_outer_loop_power_control(tree, pinfo, tvb, offset);
|
|
break;
|
|
case DCH_DL_NODE_SYNCHRONISATION:
|
|
dissect_dch_dl_node_synchronisation(tree, pinfo, tvb, offset);
|
|
break;
|
|
case DCH_UL_NODE_SYNCHRONISATION:
|
|
dissect_dch_ul_node_synchronisation(tree, pinfo, tvb, offset);
|
|
break;
|
|
case DCH_RADIO_INTERFACE_PARAMETER_UPDATE:
|
|
dissect_dch_radio_interface_parameter_update(tree, pinfo, tvb, offset);
|
|
break;
|
|
case DCH_TIMING_ADVANCE:
|
|
dissect_dch_timing_advance(tree, pinfo, tvb, offset);
|
|
break;
|
|
case DCH_TNL_CONGESTION_INDICATION:
|
|
dissect_dch_tnl_congestion_indication(tree, pinfo, tvb, offset);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*******************************/
|
|
/* Dissect a DCH channel */
|
|
void dissect_dch_channel_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
int offset, struct _fp_info *p_fp_info)
|
|
{
|
|
gboolean is_control_frame;
|
|
guint8 cfn;
|
|
|
|
/* Header CRC */
|
|
proto_tree_add_item(tree, hf_fp_header_crc, tvb, offset, 1, FALSE);
|
|
|
|
/* Frame Type */
|
|
is_control_frame = tvb_get_guint8(tvb, offset) & 0x01;
|
|
proto_tree_add_item(tree, hf_fp_ft, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_str(pinfo->cinfo, COL_INFO,
|
|
is_control_frame ? " [Control] " :
|
|
((p_fp_info->is_uplink) ? " [ULData] " :
|
|
" [DLData] " ));
|
|
}
|
|
|
|
if (is_control_frame)
|
|
{
|
|
/* DCH control frame */
|
|
dissect_dch_control_frame(tree, pinfo, tvb, offset);
|
|
}
|
|
else
|
|
{
|
|
/************************/
|
|
/* DCH data here */
|
|
int chan;
|
|
int num_tbs = 0;
|
|
|
|
/* CFN */
|
|
proto_tree_add_item(tree, hf_fp_cfn, tvb, offset, 1, FALSE);
|
|
cfn = tvb_get_guint8(tvb, offset);
|
|
offset++;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "CFN=%03u ", cfn);
|
|
}
|
|
|
|
/* One TFI for each channel */
|
|
for (chan=0; chan < p_fp_info->num_chans; chan++)
|
|
{
|
|
proto_tree_add_item(tree, hf_fp_tfi, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
}
|
|
|
|
/* Dissect TB data */
|
|
offset = dissect_tb_data(tvb, pinfo, tree, offset, p_fp_info, &num_tbs);
|
|
|
|
/* QE (uplink only) */
|
|
if (p_fp_info->is_uplink)
|
|
{
|
|
proto_tree_add_item(tree, hf_fp_quality_estimate, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
}
|
|
|
|
/* CRCI bits (uplink only) */
|
|
if (p_fp_info->is_uplink)
|
|
{
|
|
offset = dissect_crci_bits(tvb, pinfo, tree, num_tbs, offset);
|
|
}
|
|
|
|
/* Payload CRC (optional) */
|
|
if (p_fp_info->dch_crc_present)
|
|
{
|
|
proto_tree_add_item(tree, hf_fp_payload_crc, tvb, offset, 2, FALSE);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/**********************************/
|
|
/* Dissect an E-DCH channel */
|
|
void dissect_e_dch_channel_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
int offset, struct _fp_info *p_fp_info)
|
|
{
|
|
gboolean is_control_frame;
|
|
guint8 number_of_subframes;
|
|
guint8 cfn;
|
|
int n;
|
|
struct subframe_info subframes[8];
|
|
|
|
/* Header CRC */
|
|
proto_tree_add_item(tree, hf_fp_edch_header_crc, tvb, offset, 2, FALSE);
|
|
|
|
/* Frame Type */
|
|
is_control_frame = tvb_get_guint8(tvb, offset) & 0x01;
|
|
proto_tree_add_item(tree, hf_fp_ft, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_str(pinfo->cinfo, COL_INFO, is_control_frame ? " [Control] " : " [Data] ");
|
|
}
|
|
|
|
if (is_control_frame)
|
|
{
|
|
/* DCH control frame */
|
|
dissect_dch_control_frame(tree, pinfo, tvb, offset);
|
|
}
|
|
else
|
|
{
|
|
/********************************/
|
|
/* E-DCH data here */
|
|
|
|
guint bit_offset = 0;
|
|
guint total_bits = 0;
|
|
|
|
/* FSN */
|
|
proto_tree_add_item(tree, hf_fp_edch_fsn, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
/* Number of subframes.
|
|
This was 3 bits in early releases, is 4 bits offset by 1 in later releases */
|
|
if ((p_fp_info->dct2000_variant % 256) > 1)
|
|
{
|
|
/* Use 4 bits plus offset of 1 */
|
|
number_of_subframes = (tvb_get_guint8(tvb, offset) & 0x0f) + 1;
|
|
}
|
|
else
|
|
{
|
|
/* Use 3 bits only */
|
|
number_of_subframes = (tvb_get_guint8(tvb, offset) & 0x07);
|
|
}
|
|
proto_tree_add_uint(tree, hf_fp_edch_number_of_subframes, tvb, offset, 1,
|
|
number_of_subframes);
|
|
|
|
offset++;
|
|
|
|
/* CFN */
|
|
cfn = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_cfn, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
/* EDCH subframe header list */
|
|
for (n=0; n < number_of_subframes; n++)
|
|
{
|
|
int i;
|
|
proto_item *subframe_header_ti;
|
|
proto_tree *subframe_header_tree;
|
|
|
|
/* Add subframe header subtree */
|
|
subframe_header_ti = proto_tree_add_string_format(tree, hf_fp_edch_subframe_header, tvb, offset, 0,
|
|
"", "Subframe");
|
|
subframe_header_tree = proto_item_add_subtree(subframe_header_ti, ett_fp_edch_subframe_header);
|
|
|
|
/* Number of HARQ Retransmissions */
|
|
proto_tree_add_item(subframe_header_tree, hf_fp_edch_harq_retransmissions, tvb,
|
|
offset, 1, FALSE);
|
|
|
|
/* Subframe number */
|
|
subframes[n].subframe_number = (tvb_get_guint8(tvb, offset) & 0x07);
|
|
proto_tree_add_item(subframe_header_tree, hf_fp_edch_subframe_number, tvb,
|
|
offset, 1, FALSE);
|
|
offset++;
|
|
|
|
/* Number of MAC-es PDUs */
|
|
subframes[n].number_of_mac_es_pdus = (tvb_get_guint8(tvb, offset) & 0xf0) >> 4;
|
|
proto_tree_add_item(subframe_header_tree, hf_fp_edch_number_of_mac_es_pdus,
|
|
tvb, offset, 1, FALSE);
|
|
bit_offset = 4;
|
|
|
|
proto_item_append_text(subframe_header_ti, " %u header (%u MAC-es PDUs)",
|
|
subframes[n].subframe_number,
|
|
subframes[n].number_of_mac_es_pdus);
|
|
|
|
/* Details of each MAC-es PDU */
|
|
for (i=0; i < subframes[n].number_of_mac_es_pdus; i++)
|
|
{
|
|
guint8 ddi;
|
|
int ddi_offset;
|
|
guint8 n_pdus;
|
|
int n_pdus_offset;
|
|
|
|
/* DDI (6 bits) */
|
|
ddi_offset = offset + (bit_offset / 8);
|
|
|
|
switch (bit_offset%8)
|
|
{
|
|
case 0:
|
|
ddi = (tvb_get_guint8(tvb, ddi_offset) >> 2);
|
|
break;
|
|
case 2:
|
|
ddi = (tvb_get_guint8(tvb, ddi_offset) & 0x3f);
|
|
break;
|
|
case 4:
|
|
ddi = (tvb_get_ntohs(tvb, ddi_offset) >> 6) & 0x003f;
|
|
break;
|
|
case 6:
|
|
ddi = (tvb_get_ntohs(tvb, ddi_offset) >> 4) & 0x003f;
|
|
break;
|
|
default:
|
|
/* Can't get here, but avoid warning */
|
|
return;
|
|
}
|
|
|
|
proto_tree_add_uint(subframe_header_tree, hf_fp_edch_ddi, tvb, ddi_offset,
|
|
((bit_offset%8) <= 2) ? 1 : 2, ddi);
|
|
|
|
subframes[n].ddi[i] = ddi;
|
|
bit_offset += 6;
|
|
|
|
/* Number of MAC-d PDUs (6 bits) */
|
|
n_pdus_offset = offset + (bit_offset / 8);
|
|
switch (bit_offset%8)
|
|
{
|
|
case 0:
|
|
n_pdus = (tvb_get_guint8(tvb, n_pdus_offset) >> 2);
|
|
break;
|
|
case 2:
|
|
n_pdus = (tvb_get_guint8(tvb, n_pdus_offset) & 0x3f);
|
|
break;
|
|
case 4:
|
|
n_pdus = (tvb_get_ntohs(tvb, n_pdus_offset) >> 6) & 0x003f;
|
|
break;
|
|
case 6:
|
|
n_pdus = (tvb_get_ntohs(tvb, n_pdus_offset) >> 4) & 0x003f;
|
|
break;
|
|
default:
|
|
/* Can't get here, but avoid warning */
|
|
return;
|
|
}
|
|
proto_tree_add_uint(subframe_header_tree, hf_fp_edch_number_of_mac_d_pdus, tvb, n_pdus_offset,
|
|
((bit_offset%8) <= 2) ? 1 : 2, n_pdus);
|
|
|
|
subframes[n].number_of_mac_d_pdus[i] = n_pdus;
|
|
bit_offset += 6;
|
|
}
|
|
|
|
/* Tree should cover entire subframe header */
|
|
proto_item_set_len(subframe_header_ti, bit_offset/8);
|
|
|
|
offset += ((bit_offset+7)/8);
|
|
}
|
|
|
|
/* EDCH subframes */
|
|
bit_offset = 0;
|
|
for (n=0; n < number_of_subframes; n++)
|
|
{
|
|
int i;
|
|
proto_item *subframe_ti;
|
|
proto_tree *subframe_tree;
|
|
guint bits_in_subframe = 0;
|
|
guint mac_d_pdus_in_subframe = 0;
|
|
|
|
bit_offset = 0;
|
|
|
|
/* Add subframe subtree */
|
|
subframe_ti = proto_tree_add_string_format(tree, hf_fp_edch_subframe, tvb, offset, 0,
|
|
"", "Subframe %u data", subframes[n].subframe_number);
|
|
subframe_tree = proto_item_add_subtree(subframe_ti, ett_fp_edch_subframe);
|
|
|
|
for (i=0; i < subframes[n].number_of_mac_es_pdus; i++)
|
|
{
|
|
int m;
|
|
guint16 size = 0;
|
|
guint send_size;
|
|
proto_item *ti;
|
|
|
|
/* Look up mac-d pdu size for this ddi */
|
|
for (m=0; m < p_fp_info->no_ddi_entries; m++)
|
|
{
|
|
if (subframes[n].ddi[i] == p_fp_info->edch_ddi[m])
|
|
{
|
|
size = p_fp_info->edch_macd_pdu_size[m];
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (m == p_fp_info->no_ddi_entries)
|
|
{
|
|
/* Not found. Oops */
|
|
return;
|
|
}
|
|
|
|
/* Send MAC-dd PDUs together as one MAC-es PDU */
|
|
send_size = size * subframes[n].number_of_mac_d_pdus[i];
|
|
|
|
/* 2 bits spare */
|
|
proto_tree_add_item(subframe_tree, hf_fp_edch_pdu_padding, tvb,
|
|
offset + (bit_offset/8),
|
|
1, FALSE);
|
|
bit_offset += 2;
|
|
|
|
/* TSN */
|
|
proto_tree_add_item(subframe_tree, hf_fp_edch_tsn, tvb,
|
|
offset + (bit_offset/8),
|
|
1, FALSE);
|
|
bit_offset += 6;
|
|
|
|
/* PDU */
|
|
if (subframe_tree)
|
|
{
|
|
ti = proto_tree_add_item(subframe_tree, hf_fp_edch_mac_es_pdu, tvb,
|
|
offset + (bit_offset/8),
|
|
((bit_offset % 8) + send_size + 7) / 8,
|
|
FALSE);
|
|
proto_item_append_text(ti, " (%u * %u = %u bits, subframe %d)",
|
|
size, subframes[n].number_of_mac_d_pdus[i],
|
|
send_size, n);
|
|
}
|
|
bits_in_subframe += send_size;
|
|
mac_d_pdus_in_subframe += subframes[n].number_of_mac_d_pdus[i];
|
|
|
|
bit_offset += send_size;
|
|
|
|
/* Pad out to next byte */
|
|
if (bit_offset % 8)
|
|
{
|
|
bit_offset += (8 - (bit_offset % 8));
|
|
}
|
|
}
|
|
|
|
if (tree)
|
|
{
|
|
/* Tree should cover entire subframe */
|
|
proto_item_set_len(subframe_ti, bit_offset/8);
|
|
|
|
/* Append summary info to subframe label */
|
|
proto_item_append_text(subframe_ti, " (%u bits in %u MAC-d PDUs)",
|
|
bits_in_subframe, mac_d_pdus_in_subframe);
|
|
}
|
|
total_bits += bits_in_subframe;
|
|
|
|
offset += (bit_offset/8);
|
|
}
|
|
|
|
/* Report number of subframes in info column */
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO,
|
|
" CFN = %03u (%u bits in %u subframes)",
|
|
cfn, total_bits, number_of_subframes);
|
|
}
|
|
|
|
/* Payload CRC (optional) */
|
|
/* TODO: is this test correct...? */
|
|
/* if (p_fp_info->dch_crc_present) */
|
|
if (tvb_length_remaining(tvb, offset) == 2)
|
|
{
|
|
proto_tree_add_item(tree, hf_fp_payload_crc, tvb, offset, 2, FALSE);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/***********************************/
|
|
/* Dissect an HSDSCH channel */
|
|
void dissect_hsdsch_channel_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
|
|
int offset, struct _fp_info *p_fp_info)
|
|
{
|
|
gboolean is_control_frame;
|
|
|
|
/* Header CRC */
|
|
proto_tree_add_item(tree, hf_fp_header_crc, tvb, offset, 1, FALSE);
|
|
|
|
/* Frame Type */
|
|
is_control_frame = tvb_get_guint8(tvb, offset) & 0x01;
|
|
proto_tree_add_item(tree, hf_fp_ft, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_str(pinfo->cinfo, COL_INFO, is_control_frame ? " [Control] " : " [Data] ");
|
|
}
|
|
|
|
if (is_control_frame)
|
|
{
|
|
dissect_common_control(tvb, pinfo, tree, offset, p_fp_info);
|
|
}
|
|
else
|
|
{
|
|
guint8 number_of_pdus;
|
|
guint16 pdu_length;
|
|
guint16 user_buffer_size;
|
|
|
|
/********************************/
|
|
/* HS-DCH data here */
|
|
|
|
/* CmCH-PI */
|
|
proto_tree_add_item(tree, hf_fp_cmch_pi, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
/* MAC-d PDU Length (13 bits) */
|
|
pdu_length = (tvb_get_ntohs(tvb, offset) >> 3);
|
|
proto_tree_add_item(tree, hf_fp_mac_d_pdu_len, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
|
|
/* Num of PDU */
|
|
number_of_pdus = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_num_of_pdu, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
/* User buffer size */
|
|
user_buffer_size = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_item(tree, hf_fp_user_buffer_size, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
|
|
/* MAC-d PDUs */
|
|
offset = dissect_macd_pdu_data(tvb, pinfo, tree, offset, pdu_length,
|
|
number_of_pdus);
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, " User-Buffer-Size=%u", user_buffer_size);
|
|
}
|
|
|
|
/* Extra R6 stuff */
|
|
if (p_fp_info->release == 6)
|
|
{
|
|
int n;
|
|
guint8 flags;
|
|
guint8 flag_bytes = 0;
|
|
|
|
/* New IE flags */
|
|
do
|
|
{
|
|
proto_item *new_ie_flags_ti;
|
|
proto_tree *new_ie_flags_tree;
|
|
guint ies_found = 0;
|
|
|
|
/* Add new IE flags subtree */
|
|
new_ie_flags_ti = proto_tree_add_string_format(tree, hf_fp_hsdsch_new_ie_flags, tvb, offset, 1,
|
|
"", "New IE flags");
|
|
new_ie_flags_tree = proto_item_add_subtree(new_ie_flags_ti, ett_fp_hsdsch_new_ie_flags);
|
|
|
|
/* Read next byte */
|
|
flags = tvb_get_guint8(tvb, offset);
|
|
flag_bytes++;
|
|
|
|
/* Dissect individual bits */
|
|
for (n=0; n < 8; n++)
|
|
{
|
|
proto_tree_add_item(new_ie_flags_tree, hf_fp_hsdsch_new_ie_flag[n], tvb, offset, 1, FALSE);
|
|
if ((flags >> (7-n)) & 0x01)
|
|
{
|
|
ies_found++;
|
|
}
|
|
}
|
|
offset++;
|
|
|
|
proto_item_append_text(new_ie_flags_ti, " (%u IEs found)", ies_found);
|
|
|
|
/* Last bit set will indicate another flags byte follows... */
|
|
} while (0); /*((flags & 0x01) && (flag_bytes < 31));*/
|
|
|
|
if (1) /*(flags & 0x8) */
|
|
{
|
|
/* DRT is shown as mandatory in the diagram (3GPP TS 25.435 V6.3.0),
|
|
but the description below it states that
|
|
it should depend upon the first bit. The detailed description of
|
|
New IE flags doesn't agree, so treat as mandatory for now... */
|
|
proto_tree_add_item(tree, hf_fp_hsdsch_drt, tvb, offset, 2, FALSE);
|
|
offset += 2;
|
|
}
|
|
}
|
|
|
|
/* TODO: may be spare extension to skip */
|
|
|
|
/* Payload CRC */
|
|
proto_tree_add_item(tree, hf_fp_payload_crc, tvb, offset, 2, FALSE);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
/*****************************/
|
|
/* Main dissection function. */
|
|
void dissect_fp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_tree *fp_tree;
|
|
proto_item *ti;
|
|
gint offset = 0;
|
|
struct _fp_info *p_fp_info;
|
|
|
|
/* Append this protocol name rather than replace. */
|
|
if (check_col(pinfo->cinfo, COL_PROTOCOL))
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "FP");
|
|
|
|
/* Create fp tree. */
|
|
ti = proto_tree_add_item(tree, proto_fp, tvb, offset, -1, FALSE);
|
|
fp_tree = proto_item_add_subtree(ti, ett_fp);
|
|
|
|
/* Look for packet info! */
|
|
p_fp_info = p_get_proto_data(pinfo->fd, proto_fp);
|
|
|
|
/* Can't dissect anything without it... */
|
|
if (p_fp_info == NULL)
|
|
{
|
|
return;
|
|
}
|
|
|
|
/* Show channel type in info column, tree */
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_set_str(pinfo->cinfo, COL_INFO,
|
|
val_to_str(p_fp_info->channel,
|
|
channel_type_vals,
|
|
"Unknown channel type"));
|
|
}
|
|
proto_item_append_text(ti, " (%s)",
|
|
val_to_str(p_fp_info->channel,
|
|
channel_type_vals,
|
|
"Unknown channel type"));
|
|
|
|
/* Add channel type as a generated field */
|
|
ti = proto_tree_add_uint(fp_tree, hf_fp_channel_type, tvb, 0, 0, p_fp_info->channel);
|
|
PROTO_ITEM_SET_GENERATED(ti);
|
|
|
|
/* Add link direction as a generated field */
|
|
ti = proto_tree_add_uint(fp_tree, hf_fp_direction, tvb, 0, 0, p_fp_info->is_uplink);
|
|
PROTO_ITEM_SET_GENERATED(ti);
|
|
|
|
|
|
/*************************************/
|
|
/* Dissect according to channel type */
|
|
switch (p_fp_info->channel)
|
|
{
|
|
case CHANNEL_RACH_TDD:
|
|
case CHANNEL_RACH_TDD_128:
|
|
case CHANNEL_RACH_FDD:
|
|
dissect_rach_channel_info(tvb, pinfo, fp_tree, offset, p_fp_info);
|
|
break;
|
|
case CHANNEL_DCH:
|
|
dissect_dch_channel_info(tvb, pinfo, fp_tree, offset, p_fp_info);
|
|
break;
|
|
case CHANNEL_FACH_FDD:
|
|
case CHANNEL_FACH_TDD:
|
|
dissect_fach_channel_info(tvb, pinfo, fp_tree, offset, p_fp_info);
|
|
break;
|
|
case CHANNEL_DSCH_FDD:
|
|
case CHANNEL_DSCH_TDD:
|
|
dissect_dsch_channel_info(tvb, pinfo, fp_tree, offset, p_fp_info);
|
|
break;
|
|
case CHANNEL_USCH_TDD_128:
|
|
case CHANNEL_USCH_TDD_384:
|
|
dissect_usch_channel_info(tvb, pinfo, fp_tree, offset, p_fp_info);
|
|
break;
|
|
case CHANNEL_PCH:
|
|
dissect_pch_channel_info(tvb, pinfo, fp_tree, offset, p_fp_info);
|
|
break;
|
|
case CHANNEL_CPCH:
|
|
dissect_cpch_channel_info(tvb, pinfo, fp_tree, offset, p_fp_info);
|
|
break;
|
|
break;
|
|
case CHANNEL_BCH:
|
|
/* TODO? */
|
|
break;
|
|
case CHANNEL_HSDSCH:
|
|
dissect_hsdsch_channel_info(tvb, pinfo, fp_tree, offset, p_fp_info);
|
|
break;
|
|
case CHANNEL_IUR_CPCHF:
|
|
break;
|
|
case CHANNEL_IUR_FACH:
|
|
break;
|
|
case CHANNEL_IUR_DSCH:
|
|
dissect_iur_dsch_channel_info(tvb, pinfo, fp_tree, offset, p_fp_info);
|
|
break;
|
|
case CHANNEL_EDCH:
|
|
dissect_e_dch_channel_info(tvb, pinfo, fp_tree, offset, p_fp_info);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void proto_register_fp(void)
|
|
{
|
|
static hf_register_info hf[] =
|
|
{
|
|
{ &hf_fp_channel_type,
|
|
{ "Channel Type",
|
|
"fp.channel-type", FT_UINT8, BASE_HEX, VALS(channel_type_vals), 0x0,
|
|
"Channel Type", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_direction,
|
|
{ "Direction",
|
|
"fp.direction", FT_UINT8, BASE_HEX, VALS(direction_vals), 0x0,
|
|
"Link direction", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_header_crc,
|
|
{ "Header CRC",
|
|
"fp.header-crc", FT_UINT8, BASE_HEX, NULL, 0xfe,
|
|
"Header CRC", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_ft,
|
|
{ "Frame Type",
|
|
"fp.ft", FT_UINT8, BASE_HEX, VALS(data_control_vals), 0x01,
|
|
"Frame Type", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_cfn,
|
|
{ "CFN",
|
|
"fp.cfn", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Connection Frame Number", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_pch_cfn,
|
|
{ "CFN (PCH)",
|
|
"fp.pch.cfn", FT_UINT16, BASE_DEC, NULL, 0xfff0,
|
|
"PCH Connection Frame Number", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_pch_toa,
|
|
{ "ToA (PCH)",
|
|
"fp.pch.toa", FT_INT24, BASE_DEC, NULL, 0x0,
|
|
"PCH Time of Arrival", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_cfn_control,
|
|
{ "CFN control",
|
|
"fp.cfn-control", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Connection Frame Number Control", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_toa,
|
|
{ "ToA",
|
|
"fp.cfn-control", FT_INT16, BASE_DEC, NULL, 0x0,
|
|
"Time of arrival (units are 125 microseconds)", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_tb,
|
|
{ "TB",
|
|
"fp.tb", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"Transport Block", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_tfi,
|
|
{ "TFI",
|
|
"fp.tfi", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Transport Format Indicator", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_usch_tfi,
|
|
{ "TFI",
|
|
"fp.usch.tfi", FT_UINT8, BASE_DEC, NULL, 0x1f,
|
|
"USCH Transport Format Indicator", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_cpch_tfi,
|
|
{ "TFI",
|
|
"fp.cpch.tfi", FT_UINT8, BASE_DEC, NULL, 0x1f,
|
|
"CPCH Transport Format Indicator", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_propagation_delay,
|
|
{ "Propagation Delay",
|
|
"fp.propagation-delay", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Propagation Delay", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_dch_control_frame_type,
|
|
{ "Control Frame Type",
|
|
"fp.dch.control.frame-type", FT_UINT8, BASE_HEX, VALS(dch_control_frame_type_vals), 0x0,
|
|
"DCH Control Frame Type", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_dch_rx_timing_deviation,
|
|
{ "Rx Timing Deviation",
|
|
"fp.dch.control.rx-timing-deviation", FT_UINT8, BASE_DEC, 0, 0x0,
|
|
"DCH Rx Timing Deviation", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_quality_estimate,
|
|
{ "Quality Estimate",
|
|
"fp.dch.quality-estimate", FT_UINT8, BASE_DEC, 0, 0x0,
|
|
"Quality Estimate", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_payload_crc,
|
|
{ "Payload CRC",
|
|
"fp.payload-crc", FT_UINT16, BASE_HEX, 0, 0x0,
|
|
"Payload CRC", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_common_control_frame_type,
|
|
{ "Control Frame Type",
|
|
"fp.common.control.frame-type", FT_UINT8, BASE_HEX, VALS(common_control_frame_type_vals), 0x0,
|
|
"Common Control Frame Type", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_crci[0],
|
|
{ "CRCI",
|
|
"fp.crci", FT_UINT8, BASE_HEX, VALS(crci_vals), 0x80,
|
|
"CRC correctness indicator", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_crci[1],
|
|
{ "CRCI",
|
|
"fp.crci", FT_UINT8, BASE_HEX, VALS(crci_vals), 0x40,
|
|
"CRC correctness indicator", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_crci[2],
|
|
{ "CRCI",
|
|
"fp.crci", FT_UINT8, BASE_HEX, VALS(crci_vals), 0x20,
|
|
"CRC correctness indicator", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_crci[3],
|
|
{ "CRCI",
|
|
"fp.crci", FT_UINT8, BASE_HEX, VALS(crci_vals), 0x10,
|
|
"CRC correctness indicator", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_crci[4],
|
|
{ "CRCI",
|
|
"fp.crci", FT_UINT8, BASE_HEX, VALS(crci_vals), 0x08,
|
|
"CRC correctness indicator", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_crci[5],
|
|
{ "CRCI",
|
|
"fp.crci", FT_UINT8, BASE_HEX, VALS(crci_vals), 0x04,
|
|
"CRC correctness indicator", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_crci[6],
|
|
{ "CRCI",
|
|
"fp.crci", FT_UINT8, BASE_HEX, VALS(crci_vals), 0x02,
|
|
"CRC correctness indicator", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_crci[7],
|
|
{ "CRCI",
|
|
"fp.crci", FT_UINT8, BASE_HEX, VALS(crci_vals), 0x01,
|
|
"CRC correctness indicator", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_received_sync_ul_timing_deviation,
|
|
{ "Received SYNC UL Timing Deviation",
|
|
"fp.rx-sync-ul-timing-deviation", FT_UINT8, BASE_DEC, 0, 0x0,
|
|
"Received SYNC UL Timing Deviation", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_pch_pi,
|
|
{ "Paging Indication",
|
|
"fp.pch.pi", FT_UINT8, BASE_DEC, VALS(paging_indication_vals), 0x01,
|
|
"Indicates if the PI Bitmap is present", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_pch_tfi,
|
|
{ "TFI",
|
|
"fp.pch.tfi", FT_UINT8, BASE_DEC, 0, 0x1f,
|
|
"PCH Transport Format Indicator", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_fach_tfi,
|
|
{ "TFI",
|
|
"fp.fach.tfi", FT_UINT8, BASE_DEC, 0, 0x1f,
|
|
"FACH Transport Format Indicator", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_transmit_power_level,
|
|
{ "Transmit Power Level",
|
|
"fp.transmit-power-level", FT_FLOAT, BASE_DEC, 0, 0x0,
|
|
"Transmit Power Level (dB)", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_pdsch_set_id,
|
|
{ "PDSCH Set Id",
|
|
"fp.pdsch-set-id", FT_UINT8, BASE_DEC, 0, 0x0,
|
|
"A pointer to the PDSCH Set which shall be used to transmit", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_paging_indication_bitmap,
|
|
{ "Paging Indications bitmap",
|
|
"fp.pch.pi-bitmap", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"Paging Indication bitmap", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_rx_timing_deviation,
|
|
{ "Rx Timing Deviation",
|
|
"fp.common.control.rx-timing-deviation", FT_UINT8, BASE_DEC, 0, 0x0,
|
|
"Common Rx Timing Deviation", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_edch_header_crc,
|
|
{ "E-DCH Header CRC",
|
|
"fp.edch.header-crc", FT_UINT16, BASE_HEX, 0, 0xfef,
|
|
"E-DCH Header CRC", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_edch_fsn,
|
|
{ "FSN",
|
|
"fp.edch.fsn", FT_UINT8, BASE_DEC, 0, 0x0f,
|
|
"E-DCH Frame Sequence Number", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_edch_number_of_subframes,
|
|
{ "No of subframes",
|
|
"fp.edch.no-of-subframes", FT_UINT8, BASE_DEC, 0, 0x0f,
|
|
"E-DCH Number of subframes", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_edch_harq_retransmissions,
|
|
{ "No of HARQ Retransmissions",
|
|
"fp.edch.no-of-harq-retransmissions", FT_UINT8, BASE_DEC, 0, 0x78,
|
|
"E-DCH Number of HARQ retransmissions", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_edch_subframe_number,
|
|
{ "Subframe number",
|
|
"fp.edch.subframe-number", FT_UINT8, BASE_DEC, 0, 0x07,
|
|
"E-DCH Subframe number", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_edch_number_of_mac_es_pdus,
|
|
{ "Number of Mac-es PDUs",
|
|
"fp.edch.number-of-mac-es-pdus", FT_UINT8, BASE_DEC, 0, 0xf0,
|
|
"Number of Mac-es PDUs", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_edch_ddi,
|
|
{ "DDI",
|
|
"fp.edch.ddi", FT_UINT8, BASE_DEC, 0, 0x0,
|
|
"E-DCH Data Description Indicator", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_edch_subframe,
|
|
{ "Subframe",
|
|
"fp.edch.subframe", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
"EDCH Subframe", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_edch_subframe_header,
|
|
{ "Subframe header",
|
|
"fp.edch.subframe-header", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
"EDCH Subframe header", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_edch_number_of_mac_d_pdus,
|
|
{ "Number of Mac-d PDUs",
|
|
"fp.edch.number-of-mac-d-pdus", FT_UINT8, BASE_DEC, 0, 0x0,
|
|
"Number of Mac-d PDUs", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_edch_pdu_padding,
|
|
{ "Padding",
|
|
"fp.edch-data-padding", FT_UINT8, BASE_DEC, 0, 0xc0,
|
|
"E-DCH padding before PDU", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_edch_tsn,
|
|
{ "TSN",
|
|
"fp.edch-tsn", FT_UINT8, BASE_DEC, 0, 0x3f,
|
|
"E-DCH Transmission Sequence Number", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_edch_mac_es_pdu,
|
|
{ "MAC-es PDU",
|
|
"fp.edch.mac-es-pdu", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"MAC-es PDU", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_cmch_pi,
|
|
{ "CmCH-PI",
|
|
"fp.cmch-pi", FT_UINT8, BASE_DEC, 0, 0x0f,
|
|
"Common Transport Channel Priority Indicator", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_user_buffer_size,
|
|
{ "User buffer size",
|
|
"fp.user-buffer-size", FT_UINT16, BASE_DEC, 0, 0x0,
|
|
"User buffer size in octets", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_hsdsch_credits,
|
|
{ "HS-DSCH Credits",
|
|
"fp.hsdsch-credits", FT_UINT16, BASE_DEC, 0, 0x07ff,
|
|
"HS-DSCH Credits", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_hsdsch_max_macd_pdu_len,
|
|
{ "Max MAC-d PDU Length",
|
|
"fp.hsdsch.max-macd-pdu-len", FT_UINT16, BASE_DEC, 0, 0xfff8,
|
|
"Maximum MAC-d PDU Length in bits", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_hsdsch_interval,
|
|
{ "HS-DSCH Interval in milliseconds",
|
|
"fp.hsdsch-interval", FT_UINT8, BASE_DEC, 0, 0x0,
|
|
"HS-DSCH Interval in milliseconds", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_hsdsch_calculated_rate,
|
|
{ "Calculated rate allocation (bps)",
|
|
"fp.hsdsch-calculated-rate", FT_UINT32, BASE_DEC, 0, 0x0,
|
|
"Calculated rate RNC is allowed to send in bps", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_hsdsch_unlimited_rate,
|
|
{ "Unlimited rate",
|
|
"fp.hsdsch-unlimited_rate", FT_NONE, BASE_NONE, 0, 0x0,
|
|
"No restriction on rate at which date may be sent", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_hsdsch_repetition_period,
|
|
{ "HS-DSCH Repetition Period",
|
|
"fp.hsdsch-repetition-period", FT_UINT8, BASE_DEC, 0, 0x0,
|
|
"HS-DSCH Repetition Period in milliseconds", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_hsdsch_data_padding,
|
|
{ "Padding",
|
|
"fp.hsdsch-data-padding", FT_UINT8, BASE_DEC, 0, 0xf0,
|
|
"HS-DSCH Repetition Period in milliseconds", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_hsdsch_new_ie_flags,
|
|
{ "New IEs flags",
|
|
"fp.hsdsch.new-ie-flags", FT_STRING, BASE_NONE, 0, 0x0,
|
|
"New IEs flags", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_hsdsch_new_ie_flag[0],
|
|
{ "DRT IE present",
|
|
"fp.hsdsch.new-ie-flag", FT_UINT8, BASE_DEC, 0, 0x80,
|
|
"DRT IE present", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_hsdsch_new_ie_flag[1],
|
|
{ "New IE present",
|
|
"fp.hsdsch.new-ie-flag", FT_UINT8, BASE_DEC, 0, 0x40,
|
|
"New IE present", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_hsdsch_new_ie_flag[2],
|
|
{ "New IE present",
|
|
"fp.hsdsch.new-ie-flag", FT_UINT8, BASE_DEC, 0, 0x20,
|
|
"New IE present", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_hsdsch_new_ie_flag[3],
|
|
{ "New IE present",
|
|
"fp.hsdsch.new-ie-flag", FT_UINT8, BASE_DEC, 0, 0x10,
|
|
"New IE present", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_hsdsch_new_ie_flag[4],
|
|
{ "New IE present",
|
|
"fp.hsdsch.new-ie-flag", FT_UINT8, BASE_DEC, 0, 0x08,
|
|
"New IE present", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_hsdsch_new_ie_flag[5],
|
|
{ "New IE present",
|
|
"fp.hsdsch.new-ie-flag", FT_UINT8, BASE_DEC, 0, 0x04,
|
|
"New IE present", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_hsdsch_new_ie_flag[6],
|
|
{ "New IE present",
|
|
"fp.hsdsch.new-ie-flag", FT_UINT8, BASE_DEC, 0, 0x02,
|
|
"New IE present", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_hsdsch_new_ie_flag[7],
|
|
{ "Another new IE flags byte",
|
|
"fp.hsdsch.new-ie-flags-byte", FT_UINT8, BASE_DEC, 0, 0x01,
|
|
"Another new IE flagsbyte", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_hsdsch_drt,
|
|
{ "DRT",
|
|
"fp.hsdsch.drt", FT_UINT8, BASE_DEC, 0, 0xf0,
|
|
"Delay Reference Time", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_timing_advance,
|
|
{ "Timing advance",
|
|
"fp.timing-advance", FT_UINT8, BASE_DEC, 0, 0x3f,
|
|
"Timing advance in chips", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_num_of_pdu,
|
|
{ "Number of PDUs",
|
|
"fp.hsdsch.num-of-pdu", FT_UINT8, BASE_DEC, 0, 0x0,
|
|
"Number of PDUs in the payload", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_mac_d_pdu_len,
|
|
{ "MAC-d PDU Length",
|
|
"fp.hsdsch.mac-d-pdu-len", FT_UINT16, BASE_DEC, 0, 0xfff8,
|
|
"MAC-d PDU Length in bits", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_mac_d_pdu,
|
|
{ "MAC-d PDU",
|
|
"fp.mac-d-pdu", FT_NONE, BASE_NONE, NULL, 0x0,
|
|
"MAC-d PDU", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_data,
|
|
{ "Data",
|
|
"fp.data", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
"Data", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_crcis,
|
|
{ "CRCIs",
|
|
"fp.crcis", FT_STRING, BASE_NONE, NULL, 0x0,
|
|
"CRC Indicators for uplink TBs", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_t1,
|
|
{ "T1",
|
|
"fp.t1", FT_UINT24, BASE_DEC, NULL, 0x0,
|
|
"RNC frame number indicating time it sends frame", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_t2,
|
|
{ "T2",
|
|
"fp.t2", FT_UINT24, BASE_DEC, NULL, 0x0,
|
|
"NodeB frame number indicating time it received DL Sync", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_t3,
|
|
{ "T3",
|
|
"fp.t3", FT_UINT24, BASE_DEC, NULL, 0x0,
|
|
"NodeB frame number indicating time it sends frame", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_ul_sir_target,
|
|
{ "UL_SIR_TARGET",
|
|
"fp.ul-sir_target", FT_FLOAT, BASE_DEC, 0, 0x0,
|
|
"Value (in dB) of the SIR target to be used by the UL inner loop power control", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_pusch_set_id,
|
|
{ "PUSCH Set Id",
|
|
"fp.pusch-set-id", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Identifies PUSCH Set from those configured in NodeB", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_activation_cfn,
|
|
{ "Activation CFN",
|
|
"fp.activation-cfn", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Activation Connection Frame Number", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_duration,
|
|
{ "Duration (ms)",
|
|
"fp.pusch-set-id", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Duration of the activation period of the PUSCH Set", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_power_offset,
|
|
{ "Power offset",
|
|
"fp.power-offset", FT_FLOAT, BASE_NONE, NULL, 0x0,
|
|
"Power offset (in dB)", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_code_number,
|
|
{ "Code number",
|
|
"fp.code-number", FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Code number", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_spreading_factor,
|
|
{ "Spreading factor",
|
|
"fp.spreading-factor", FT_UINT8, BASE_DEC, VALS(spreading_factor_vals), 0xf0,
|
|
"Spreading factor", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_mc_info,
|
|
{ "MC info",
|
|
"fp.mc-info", FT_UINT8, BASE_DEC, NULL, 0x0e,
|
|
"MC info", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_rach_new_ie_flags,
|
|
{ "New IEs flags",
|
|
"fp.rach.new-ie-flags", FT_STRING, BASE_NONE, 0, 0x0,
|
|
"New IEs flags", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_rach_new_ie_flag[0],
|
|
{ "New IE present",
|
|
"fp.rach.new-ie-flag", FT_UINT8, BASE_DEC, 0, 0x80,
|
|
"New IE present", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_rach_new_ie_flag[1],
|
|
{ "New IE present",
|
|
"fp.rach.new-ie-flag", FT_UINT8, BASE_DEC, 0, 0x40,
|
|
"New IE present", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_rach_new_ie_flag[2],
|
|
{ "New IE present",
|
|
"fp.rach.new-ie-flag", FT_UINT8, BASE_DEC, 0, 0x20,
|
|
"New IE present", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_rach_new_ie_flag[3],
|
|
{ "New IE present",
|
|
"fp.rach.new-ie-flag", FT_UINT8, BASE_DEC, 0, 0x10,
|
|
"New IE present", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_rach_new_ie_flag[4],
|
|
{ "New IE present",
|
|
"fp.rach.new-ie-flag", FT_UINT8, BASE_DEC, 0, 0x08,
|
|
"New IE present", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_rach_new_ie_flag[5],
|
|
{ "New IE present",
|
|
"fp.rach.new-ie-flag", FT_UINT8, BASE_DEC, 0, 0x04,
|
|
"New IE present", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_rach_new_ie_flag[6],
|
|
{ "New IE present",
|
|
"fp.rach.new-ie-flag", FT_UINT8, BASE_DEC, 0, 0x02,
|
|
"New IE present", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_rach_new_ie_flag[7],
|
|
{ "Another new IE flags byte",
|
|
"fp.rach.new-ie-flags-byte", FT_UINT8, BASE_DEC, 0, 0x01,
|
|
"Another new IE flags byte", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_cell_portion_id,
|
|
{ "Cell Portion ID",
|
|
"fp.cell-portion-id", FT_UINT8, BASE_DEC, NULL, 0x3f,
|
|
"Cell Portion ID", HFILL
|
|
}
|
|
},
|
|
|
|
{ &hf_fp_radio_interface_parameter_update_flag[0],
|
|
{ "CFN valid",
|
|
"fp.radio_interface_param.cfn-valid", FT_UINT16, BASE_DEC, 0, 0x0001,
|
|
"CFN valid", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_radio_interface_parameter_update_flag[1],
|
|
{ "TPC PO valid",
|
|
"fp.radio_interface_param.tpc-po-valid", FT_UINT16, BASE_DEC, 0, 0x0002,
|
|
"TPC PO valid", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_radio_interface_parameter_update_flag[2],
|
|
{ "DPC mode valid",
|
|
"fp.radio_interface_param.dpc-mode-valid", FT_UINT16, BASE_DEC, 0, 0x0004,
|
|
"DPC mode valid", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_radio_interface_parameter_update_flag[3],
|
|
{ "RL sets indicator valid",
|
|
"fp.radio_interface_param.rl-sets-indicator-valid", FT_UINT16, BASE_DEC, 0, 0x0020,
|
|
"RI valid", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_radio_interface_parameter_update_flag[4],
|
|
{ "MAX_UE_TX_POW valid",
|
|
"fp.radio_interface_param.max-ue-tx-pow-valid", FT_UINT16, BASE_DEC, 0, 0x0040,
|
|
"MAX UE TX POW valid", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_dpc_mode,
|
|
{ "DPC Mode",
|
|
"fp.dpc-mode", FT_UINT8, BASE_DEC, NULL, 0x20,
|
|
"DPC Mode to be applied in the uplink", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_tpc_po,
|
|
{ "TPC PO",
|
|
"fp.tpc-po", FT_UINT8, BASE_DEC, NULL, 0x1f,
|
|
"TPC PO", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_multiple_rl_set_indicator,
|
|
{ "Multiple RL sets indicator",
|
|
"fp.multiple-rl-sets-indicator", FT_UINT8, BASE_DEC, NULL, 0x80,
|
|
"Multiple RL sets indicator", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_max_ue_tx_pow,
|
|
{ "MAX_UE_TX_POW",
|
|
"fp.max-ue-tx-pow", FT_INT8, BASE_DEC, NULL, 0x0,
|
|
"Max UE TX POW (dBm)", HFILL
|
|
}
|
|
},
|
|
{ &hf_fp_congestion_status,
|
|
{ "Congestion Status",
|
|
"fp.congestion-status", FT_UINT8, BASE_DEC, VALS(congestion_status_vals), 0x03,
|
|
"Congestion Status", HFILL
|
|
}
|
|
},
|
|
|
|
};
|
|
|
|
|
|
static gint *ett[] =
|
|
{
|
|
&ett_fp,
|
|
&ett_fp_data,
|
|
&ett_fp_crcis,
|
|
&ett_fp_edch_subframe_header,
|
|
&ett_fp_edch_subframe,
|
|
&ett_fp_hsdsch_new_ie_flags,
|
|
&ett_fp_rach_new_ie_flags
|
|
};
|
|
|
|
/* Register protocol. */
|
|
proto_fp = proto_register_protocol("FP", "FP", "fp");
|
|
proto_register_field_array(proto_fp, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
/* Allow other dissectors to find this one by name. */
|
|
register_dissector("fp", dissect_fp, proto_fp);
|
|
}
|
|
|
|
|
|
void proto_reg_handoff_fp(void)
|
|
{
|
|
}
|
|
|